Grand Teton National Park seems rather straightforward for visitors, no? You stop at any one of the pullouts along U.S. 191/89/26 and gaze up at this gray massifs. Well, if that's all you do, you'll miss out on a lot.

When we first hatched our plan to visit all 59 National Parks in sprint-like fashion, we really didn't know how were going to do it logistically. About the only thing we knew for certain was that we wanted to take our Maltese puppies Bubba and Lilly. Everything else was on the table.

It can take a long time to reach Theodore Roosevelt National Park, located as it is in southwestern North Dakota. Fortunately, there are some great hikes to do once you get there to stretch your legs. Here are five aspects of the park not to miss on your next visit.

Acadia National Park seems like a pretty straightforward adventure for park travelers. Arrive in Bar Harbor. Drive, or ride the Island Explorer, down the loop road, and get off for some overlooks and a hike or two. Resist the urge to run with the pack. Here are five aspects of visiting Acadia that shouldn't be overlooked.